| Year | 1994 |
| Date | 15-Apr |
| Volume | 172 |
| Issue | 3,967 |
| Page | 484 |
| Category | Keith's Column |
| Part | 45 |
| Title | (How to Make' Em) Lubrication. |
| Author | Keith Wilson |
| Notes | Snag Nos. 1 and 2, 100% effective non-return valves at zero cost, divided we work, united watch out! Over scale pipes, forsooth? Why? Cylinder lubrication - not the only worry, the posh way |